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参数资料
| 型号： | EVAL-AD7686CBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7686 |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行 |
| 输入范围： | ±VREF |
| 在以下条件下的电源（标准）： | 15mW @ 500kSPS，5 V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7686 |
| 已供物品： | 板 |
| 相关产品： | AD7686CCPZRL7TR-ND - IC ADC 16BIT SAR 500KSPS 10LFCSP AD7686CCPZRL-ND - IC ADC 16BIT SAR 500KSPS 10LFCSP AD7686BCPZRL7TR-ND - IC ADC 16BIT 500KSPS 10-LFCSP AD7686BCPZRL-ND - IC ADC 16BIT 500KSPS 10-LFCSP AD7686CRMZ-ND - IC ADC 16BIT 500KSPS 10MSOP AD7686BRMZ-ND - IC ADC 16BIT 500KSPS 10-MSOP AD7686CRMZRL7-ND - IC ADC 16BIT 500KSPS 10MSOP AD7686BRMZRL7-ND - IC ADC 16BIT 500KSPS 10MSOP |
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AD7686
Rev. B | Page 23 of 28
APPLICATION HINTS
LAYOUT
The printed circuit board (PCB) that houses the AD7686
should be designed so that the analog and digital sections are
separated and confined to certain areas of the board. The
pinout of the AD7686, with all its analog signals on the left side
and all its digital signals on the right side, eases this task.
Avoid running digital lines under the device because doing so
couples noise onto the die, unless a ground plane under the
AD7686 is used as a shield. Fast switching signals, such as CNV
or clocks, should never run near analog signal paths. Crossover
of digital and analog signals should be avoided.
At least one ground plane should be used. It could be common
or split between the digital and analog sections. In the latter
case, the planes should be joined underneath the devices.
The AD7686 voltage reference input REF has a dynamic input
impedance and should be decoupled with minimal parasitic
inductances. This is done by placing the reference decoupling
ceramic capacitor close to, and ideally right up against, the REF
and GND pins and connecting it with wide, low impedance
traces.
Finally, the AD7686 power supplies VDD and VIO should be
decoupled with ceramic capacitors (typically 100 nF) placed
close to the AD7686 and connected using short and wide traces.
This provides low impedance paths and reduces the effect of
glitches on the power supply lines. Examples of layouts that
follow these rules are shown in Figure 45 and Figure 46.
EVALUATING PERFORMANCE
Other recommended layouts for the AD7686 are outlined in
the documentation of the evaluation board (EVAL-AD7686CB).
The evaluation board package includes a fully assembled and
tested evaluation board, documentation, and software for
controlling the board from a PC via the universal evaluation
control board (EVAL-CONTROL BRD3).
02
96
9-
04
6
Figure 45. Example of Layout of the AD7686 (Top Layer)
0
29
69-
04
7
Figure 46. Example of Layout of the AD7686 (Bottom Layer)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7686SDZ | 功能描述:数据转换 IC 开发工具 EVAL BOARD 100Ksps/400Ksps 16 bit I.C RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| EVAL-AD7687CB | 制造商:Analog Devices 功能描述:EVAL BOARD 16-BIT, 250KSPS DIFFER . I.C. - Bulk |
| EVAL-AD7687CBZ | 功能描述:BOARD EVALUATION FOR AD7687 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:PulSAR® 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7687SDZ | 功能描述:BOARD EVAL FOR AD7687 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:PulSAR® 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7688CB | 制造商:Analog Devices 功能描述:EVAL BD FOR USE W/ EITHER THE ANLG DEVICES - Bulk |
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